Rentaro encounters the smartest student in school, Eiai Nano, and it turns out she's a soulmate, too! However, her extreme rationality leads him to question whether they really are meant for each other.
Phew. That is the most efficient way 
to restore my focus.
تلك هي الطريقة الأكثر كفاءة لاستعادة تركيزي
Uf. Esta es la forma más eficiente
de volver a concentrarme.
Uf. Esta es la forma más eficiente
de volver a centrarme.
Ufa. Essa é a maneira mais eficiente
de recuperar meu foco.
Фух! Числа —
лучший способ сосредоточиться.